2004
DOI: 10.1002/mawe.200400779
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Boiling of the Chemical Elements

Abstract: The molar boiling entropy, DS boil , has been assumed in the literature to be approximately the same for one-component systems, which is known as the rule of Pictet-Trouton. Using experimental data on DS boil of the chemical elements, however, this rule must be questioned. Instead, the increase of the molar entropy upon boiling is estimated from the expansion of the melt to the volume of the vapour under atmospheric pressure. This yields the right order of magnitude for DS boil .The molar boiling entropy depen… Show more

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Cited by 2 publications
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“…(j) Energy and entropy is stored in first order transitions from one phase to another, such as structural transitions like the a $ b-transition of quartz in Figures 3, 4 and 5 or the melting and boiling transitions. In particular, the boiling transition requires considerable amounts of energy and entropy as many bonds are broken and the evaporated particles mix with the large number of unoccupied states in the gaseous volume [15]. (k) Transitions into different magnetic states and excited states take also place in the nuclei of atoms.…”
Section: Metering Entropy and Thermal Energy 71 Where Is Entropy Andmentioning
confidence: 99%
“…(j) Energy and entropy is stored in first order transitions from one phase to another, such as structural transitions like the a $ b-transition of quartz in Figures 3, 4 and 5 or the melting and boiling transitions. In particular, the boiling transition requires considerable amounts of energy and entropy as many bonds are broken and the evaporated particles mix with the large number of unoccupied states in the gaseous volume [15]. (k) Transitions into different magnetic states and excited states take also place in the nuclei of atoms.…”
Section: Metering Entropy and Thermal Energy 71 Where Is Entropy Andmentioning
confidence: 99%